METHOD AND APPARATUS FOR CONTROLLING INTER-PLMN HANDOVER TO CSG CELL

• Main Authors: Jeong, Sangsoo, Lim, Chaegwon, Cho, Songyean, Choi, Sungho
• Format: Patent
• Language: English; French; German
• Published: 09.09.2020
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; WIRELESS COMMUNICATIONS NETWORKS

The invention is directed to a terminal in a communication system, the terminal comprising: a transceiver configured to transmit and receive at least one signal; and a controller coupled with the transceiver and configured to: transmit, to a base station of a first public land mobile network, PLMN, a measurement report, and receive, from the base station, a handover command related to a target cell of a second PLMN, wherein a closed subscriber group, CSG, identity, ID, related to the target cell is transmitted from the base station to a mobility management entity, MME, wherein CSG subscription information for an equivalent PLMN list is transmitted from a home subscriber server, HSS, to the MME, and wherein a CSG membership of the terminal in the target cell is validated by the MME based on the CSG ID related to the target cell and the CSG subscription information for the equivalent PLMN list related to the terminal.